. >> the team, led by multimillionaire dennis tito, who was himself the world's first space tourist, is hoping to launch the mission in early 2018. while the u.s. space station -- space agency is not involved in the project, it said the venture validates president barack obama's decision to rely more on the private sector for space exploration in the future. >> and you really have to like space travel. over $1 billion. >> and you would have to really like your spouse. i wonder what the catch is. >> start saving money. thanks for joining us. captioned by the national captioning institute --www.ncicap.org--